63 lines
1.6 KiB
Go
63 lines
1.6 KiB
Go
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package re
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/* ---------------------------------------------------------------- *
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* IMPORTS
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* ---------------------------------------------------------------- */
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import (
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"regexp"
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)
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/* ---------------------------------------------------------------- *
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* GLOBAL VARIABLES
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* ---------------------------------------------------------------- */
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type Reader struct {
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regex *regexp.Regexp
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lastpattern *string
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}
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var defaultReader Reader = Reader{}
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/* ---------------------------------------------------------------- *
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* METHODS
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* ---------------------------------------------------------------- */
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func Matches(pattern string, text string) bool {
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return defaultReader.Matches(pattern, text)
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}
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func Sub(pattern string, substitute string, text string) string {
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return defaultReader.Sub(pattern, substitute, text)
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}
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func Split(pattern string, text string) []string {
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return defaultReader.Split(pattern, text)
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}
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func (r *Reader) Matches(pattern string, text string) bool {
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r.setReader(pattern)
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return r.regex.MatchString(text)
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}
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func (r *Reader) Sub(pattern string, substitute string, text string) string {
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r.setReader(pattern)
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return r.regex.ReplaceAllString(text, substitute)
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}
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func (r *Reader) Split(pattern string, text string) []string {
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r.setReader(pattern)
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return r.regex.Split(text, -1)
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}
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/* ---------------------------------------------------------------- *
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* PRIVATE MEHODS
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* ---------------------------------------------------------------- */
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func (r *Reader) setReader(pattern string) {
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if r.regex == nil || r.lastpattern == nil || *r.lastpattern != pattern {
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r.lastpattern = &pattern
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r.regex = regexp.MustCompile(pattern)
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}
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}
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